Abstract

The thermopower induced by tensile plastic deformation at a near-room temperature ismeasured to determine the change in thermopower per unit dislocation densityΔSd/Nd in nickel (99.98%). The dislocation density is determined indirectly by measurement of theflow stress. The partial-wave method is used to calculate the contribution of dislocationsand vacancies to the thermoelectric power of nickel, platinum and palladium. The valueΔSd/Nd calculated for nickel agrees quite satisfactorily with measured ones. These results are thefirst quantitative estimation of the defect contribution to thermopower of transition metals.

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